On 4/9/22 10:00 AM, Roger Heflin wrote:
> Check that both monitors are running the same resolution.

How do I do that?

> Also run "xdpyinfo" (rpm is xdpyinfo if you don't have it installed, I
> don't know if this tool works on wayland or not) and see if the listed
> size of the screens and dpi is similar on both monitors.   I have seen
> some devices that the EDID info is wrong and because of that it
> calculates the DPI wrong and adjusts sizes based on that data.  MIne
> produces output like this:
>
> Screen #0:
>    dimensions: 3840x2160 pixels (1016x571 millimeters)
>    resolution: 96x96 dots per inch
>
> Mine is actually 940mm x 530mm so EDID lists my monitor as about 8%
> bigger than it really is
>
> Windows may have a monitor device table that it uses that has correct
> values in it, or windows 7 may not be playing any DPI scaling games.

Yeow!  I get hundreds of line of output!  I don't see anything in the
man page for paring this down.  How do I pare down the output?  The
output looks identical regardless of which monitor I run the command on.
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